Juan Gregorio Lemos

Juan Gregorio Lemos
Portrait of Juan Gregorio Lemos
Birth name	Juan Gregorio Lemos Corvalán
Born	May 24, 1764 Mendoza, Captaincy General of Chile
Died	October 1822 Lima, Peru
Allegiance	United Provinces of the River Plate
Service/branch	Argentine Army
Rank	General
Unit	Army of the Andes
Battles/wars	Battle of Chacabuco Battle of Cancha Rayada Battle of Maipú
Spouse(s)	Josefa Tiburcia Castañer Salas

Juan Gregorio Lemos (1764-1822) was an Argentine military man who served in the Army of the Andes under the command of General San Martín. He had outstanding participation in the politics of the province of Mendoza, exerting diverse public positions.

Lemos was born on May 24, 1764 in Mendoza, Argentina, and was baptized on July 16 of the same year in the parish San Nicolás de Tolentino. His parents were Onofre Lemos y Ladrón de Guevara and María Antonia Corvalán de Castilla y Escalante Videla, belonging to a distinguished Creole family. He did his elementary studies in the Colegio Nacional de Monserrat.

In 1803 Lemos served as Alférez in the Regimiento Voluntarios de Caballería de Mendoza, being promoted to lieutenant of the same regiment in 1809. In 1810 he requested the discharge of the army to occupy the position of Regidor of the city Council of Mendoza, and then designated as Customs Administrator of that province until 1815.

In 1816 Lemos was designated as Comisario de Guerra (Commissar of War) and Intendant General of the Army of the Andes. He taking part in the battles of Chacabuco, Cancha Rayada and Maipú. In 1820, Lemos, accompanied General San Martín in his expedition to Peru, participating of the declaration of Independence of that country on July 28, 1821.

Juan Gregorio Lemos was married in Buenos Aires to Josefa Tiburcia Castañer Salas, daughter of Martín Castañer Calumer, born in Canet de Mar, and María Isabel Salas Díaz, born in the city.